Peterson is a fictional character portrayed by Tim Baltz in the TV series Chicago P.D..
In the first episode they appeared in, titled A Material Witness (season 1), they were 33 years old.
They appear in 1 episodes out of a total of 221 aired so far
Episodes1
A Material Witness
episode S1.E9 march 2014In responding to a call Atwater and Burgess discover a gunshot victim and the only witness is Lexi Olinsky. The shooting is tied to a Latin gang. To protect Olinsky's daughter, Voight takes the case from the Gang Unit. Ruzek pulls up Burgess to help with an undercover mission that he hopes will help solve the case.